Hoefer<sup>®</sup> Inc. introduces a new range of electrophoresis power supplies

16 Nov 2007

Product news

Hoefer Inc. of San Francisco, California, announces the release of an exciting new product supply line, designed to enhance blotting and electrophoresis applications.

The new models, PS200HC and PS300B provide a modern look, small footprint, ergonomically designed features, and the quality and performance customers worldwide have come to expect from Hoefer products.

Each model comes with 4 sets of outputs (4mm), constant voltage or current, variable setting timer, with versatility, simplicity and economy designed into the products.

The 300 volt unit is primarily designed for the majority of electrophoresis techniques, with the 200 volt unit providing an ideal choice for most blotting applications. Both models complement Hoefers broad, high quality, high performance product line.

Please visit the article webpage or contact Hoefer Inc.

PS300B 300V Power Supply

Hoefer Inc. Europe

The versatile PS300B is designed for most electrophoresis techniques. The small footprint, large handle, and simple operation makes the PS300B easy to set up and use in your lab. With the large, easy to read LED, simply set the constant parameter, set the timer (if desired), and push start. PS300B 300V Power Supply Features: Constant voltage or constant current mode with automatic crossover 10-300 V, 4-500 mA, 90 W 4 sets of 4 mm output jacks Ideal choice for most electrophoresis techniques Continuous runs or 999 minute timer Automatic recovery after power failure Open circuit detection Short circuit protection

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ElectrophoresisElectrophoresis equipment is used to separate mixtures of protein, DNA or RNA, based on their electric charge, size and other physical characteristics, by passing them through a medium such as a polyacrylamide gel, an agarose gel or a capillary tube. Electrophoresis equipment includes horizontal and vertical gel electrophoresis chambers, isoelectric focusing systems, 2D electrophoresis and capillary electrophoresis instruments. Precast gels with a gradient can be used or gels can be hand cast. Samples are run alongside ladders or markers to identify the approximate size of a molecule. Separated proteins and nucleic acids in the gel can be stained or probed with fluorescent markers and then imaged and detected using gel documentation instruments, transilluminators, densitometers and scanners. Find the best electrophoresis equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Western BlottingWestern blotting equipment is used to transfer and identify specific proteins within a sample, reveal protein modifications, as well as give a semi-quantitative estimation of their concentration. Western blotting equipment includes all apparatus necessary to transfer proteins from gel to membrane and subsequent processing steps. Protein transfer can be performed by electroblotting with wet, semi-dry and dry transfer systems onto nitrocellulose and PVDF membranes. Blocking, washing and labeling of membranes follows, involving buffers, blocking reagents, blotting / incubation trays, labeling reagents, immunoblotting assays, antibodies and conjugates. Automated equipment for these steps is available to accelerate your lab workflow. Finally, detection and imaging of proteins can be conducted using gel documentation and imaging systems. Find the best western blotting equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.